Isomerization of 1,1,3,3-tetrafluoropropene
    31.
    发明授权
    Isomerization of 1,1,3,3-tetrafluoropropene 有权
    1,1,3,3-四氟丙烯的异构化

    公开(公告)号:US08461402B2

    公开(公告)日:2013-06-11

    申请号:US13587182

    申请日:2012-08-16

    IPC分类号: C07C17/00

    摘要: The present invention involves methods for isomerization of 1234zc. Also provided are methods for managing 1,1,3,3-tetrafluoropropene produced as a byproduct in a process for synthesizing trans-1,3,3,3-tetrafluoropropene from 245fa, wherein 1234zc is converted into trans/cis-1234ze with the help of a catalyst in the absence of HF and in an isomerization reactor, or is converted into 1234zc and/or 245fa with the help of a catalyst in the presence of HF in a separate reactor or preferably in the same reactor of 245fa dehydrofluorination.

    摘要翻译: 本发明涉及1234zc的异构化方法。 还提供了在用于从245fa合成反式-1,3,3,3-四氟丙烯的方法中管理作为副产物生产的1,1,3,3-四氟丙烯的方法,其中1234zc被转化成反式/顺式1234ze, 在不存在HF的情况下和在异构化反应器中的催化剂的帮助下,或者在HF存在下,在单独的反应器中,或优选在245fa脱氟化氢的相同反应器中,借助催化剂将其转化为1234zc和/或245fa。

    METHOD FOR MITIGATING THE FORMATION OF BY-PRODUCTS DURING THE PRODUCTION OF HALOALKANE COMPOUNDS
    33.
    发明申请
    METHOD FOR MITIGATING THE FORMATION OF BY-PRODUCTS DURING THE PRODUCTION OF HALOALKANE COMPOUNDS 有权
    在制备HALOALKANE化合物时减少副产物形成的方法

    公开(公告)号:US20120310021A1

    公开(公告)日:2012-12-06

    申请号:US13481121

    申请日:2012-05-25

    IPC分类号: C07C17/275

    摘要: Disclosed is a process for the manufacture of haloalkane compounds, and more particularly, an improved process for the manufacture of the compound 1,1,1,3,3-penta-chloropropane (HCC-240fa), which mitigates the formation of by-products from vinyl chloride (CH2═CHCl). The present invention is also useful in the manufacture of other haloalkane compounds such as HCC-250 and HCC-360. One embodiment of the invention comprises a method for mitigating 1,1,3,3,5,5-hexachloropentane and 1,1,1,3,5,5-hexachloropentane formation in the HCC-240fa manufacturing process, in which FeCl3, is introduced to a reactor only after the start-up phase has ended and a continuous operation has started. In a preferred embodiment, “pre-chelated” FeCl3, which is concentrated in a catalyst recovery column, is introduced to reactor after the continuous operation has started.

    摘要翻译: 公开了一种制备卤代烷烃化合物的方法,更具体地说,涉及制备化合物1,1,1,3,3-五氯丙烷(HCC-240fa)的改进方法,其减少副产物的形成, 氯乙烯(CH 2 = CHCl)的产物。 本发明也可用于制备其它卤代烷烃化合物如HCC-250和HCC-360。 本发明的一个实施方案包括在HCC-240fa制造方法中减轻1,1,3,3,5,5-六氯戊烷和1,1,1,3,5,5-六氯戊烷形成的方法,其中FeCl 3, 仅在启动阶段结束并且连续运行已经开始之后被引入反应器。 在优选的实施方案中,将浓缩在催化剂回收塔中的预螯合的FeCl 3在连续操作开始之后引入反应器。

    Process for dehydrofluorination of 3-chloro-1,1,1,3-tetrafluoropropane to 1-chloro-3,3,3-trifluoropropene
    35.
    发明授权
    Process for dehydrofluorination of 3-chloro-1,1,1,3-tetrafluoropropane to 1-chloro-3,3,3-trifluoropropene 有权
    3-氯-1,1,1,3-四氟丙烷脱氟化氢至1-氯-3,3,3-三氟丙烯的方法

    公开(公告)号:US07829747B2

    公开(公告)日:2010-11-09

    申请号:US12419002

    申请日:2009-04-06

    IPC分类号: C07C17/00

    CPC分类号: C07C17/25 C07C21/18

    摘要: A process for making 1-chloro-3,3,3-trifluoropropene. The process has the following step: dehydrofluorinating 3-chloro-1,1,1,3-tetrafluoropropane under conditions sufficient to effect dehydrofluorination in the presence of a catalyst. Preferred catalysts are selected from the group consisting of (i) one or more halogenated trivalent or higher valent metal oxides, (ii) one or more trivalent or higher valent metal halides, and (iii) one or more natural or synthetic graphite materials.

    摘要翻译: 制备1-氯-3,3,3-三氟丙烯的方法。 该方法具有以下步骤:在足以在催化剂存在下进行脱氟化氢的条件下,将3-氯-1,1,1,3-四氟丙烷脱氟化氢。 优选的催化剂选自(i)一种或多种卤代三价或更高价金属氧化物,(ii)一种或多种三价或更高价金属卤化物,和(iii)一种或多种天然或合成石墨材料。

    Process for geometric isomerization of halogenated olefins
    36.
    发明授权
    Process for geometric isomerization of halogenated olefins 有权
    卤代烯烃几何异构化方法

    公开(公告)号:US07709691B2

    公开(公告)日:2010-05-04

    申请号:US12499509

    申请日:2009-07-08

    IPC分类号: C07C17/00

    CPC分类号: C07C17/358 C07C21/18

    摘要: Disclosed are processes for the conversion of isomerizable halogenated C2-C6 olefins from one geometric form to a more preferred geometric form. Preferred process aspects comprise converting C2-C6 olefin in a cis-form to a trans-form comprising exposing the cis-form of the compound, preferably contained in process stream, to conditions effective to convert at least about 50 percent, and even more preferably at least about 70 percent, of the cis-form compound to the trans-form compound. Preferably the catalyst comprises at least one Lewis acid metal fluoride.

    摘要翻译: 公开了将可异构化的卤代C 2 -C 6烯烃从一种几何形式转化为更优选的几何形式的方法。 优选的方法方面包括将顺式形式的C 2 -C 6烯烃转化为反式,其包括将顺式形式的化合物(优选包含在工艺流中)暴露于有效转化至少约50%,甚至更优选 至少约70%的顺式化合物转化成反式化合物。 优选地,催化剂包含至少一种路易斯酸金属氟化物。

    PROCESS FOR DEHYDROFLUORINATION OF 3-CHLORO-1,1,1,3-TETRAFLUOROPROPANE TO 1-CHLORO-3,3,3-TRIFLUOROPROPENE
    37.
    发明申请
    PROCESS FOR DEHYDROFLUORINATION OF 3-CHLORO-1,1,1,3-TETRAFLUOROPROPANE TO 1-CHLORO-3,3,3-TRIFLUOROPROPENE 有权
    3-氯代-1,1,1,3-四氢吡喃的脱氢方法制备1-氯-3,3,3-三氟硼烷的方法

    公开(公告)号:US20090270661A1

    公开(公告)日:2009-10-29

    申请号:US12419002

    申请日:2009-04-06

    IPC分类号: C07C17/23

    CPC分类号: C07C17/25 C07C21/18

    摘要: A process for making 1-chloro-3,3,3-trifluoropropene. The process has the following step: dehydrofluorinating 3-chloro-1,1,1,3-tetrafluoropropane under conditions sufficient to effect dehydrofluorination in the presence of a catalyst. Preferred catalysts are selected from the group consisting of (i) one or more halogenated trivalent or higher valent metal oxides, (ii) one or more trivalent or higher valent metal halides, and (iii) one or more natural or synthetic graphite materials.

    摘要翻译: 制备1-氯-3,3,3-三氟丙烯的方法。 该方法具有以下步骤:在足以在催化剂存在下进行脱氟化氢的条件下,将3-氯-1,1,1,3-四氟丙烷脱氟化氢。 优选的催化剂选自(i)一种或多种卤代三价或更高价金属氧化物,(ii)一种或多种三价或更高价金属卤化物,和(iii)一种或多种天然或合成石墨材料。

    PROCESS FOR GEOMETRIC ISOMERIZATION OF HALOGENATED OLEFINS
    38.
    发明申请
    PROCESS FOR GEOMETRIC ISOMERIZATION OF HALOGENATED OLEFINS 有权
    氢化烯烃的几何异构化过程

    公开(公告)号:US20090270660A1

    公开(公告)日:2009-10-29

    申请号:US12499509

    申请日:2009-07-08

    IPC分类号: C07C17/358

    CPC分类号: C07C17/358 C07C21/18

    摘要: Disclosed are processes for the conversion of isomerizable halogenated C2-C6 olefins from one geometric form to a more preferred geometric form. Preferred process aspects comprise converting C2-C6 olefin in a cis-form to a trans-form comprising exposing the cis-form of the compound, preferably contained in process stream, to conditions effective to convert at least about 50 percent, and even more preferably at least about 70 percent, of the cis-form compound to the trans-form compound. Preferably the catalyst comprises at least one Lewis acid metal fluoride.

    摘要翻译: 公开了将可异构化的卤代C 2 -C 6烯烃从一种几何形式转化为更优选的几何形式的方法。 优选的方法方面包括将顺式形式的C 2 -C 6烯烃转化为反式,其包括将顺式形式的化合物(优选包含在工艺流中)暴露于有效转化至少约50%,甚至更优选 至少约70%的顺式化合物转化成反式化合物。 优选地,催化剂包含至少一种路易斯酸金属氟化物。

    PROCESS FOR THE MANUFACTURE OF FLUORINATED OLEFINS
    39.
    发明申请
    PROCESS FOR THE MANUFACTURE OF FLUORINATED OLEFINS 有权
    氟化烯烃的制备方法

    公开(公告)号:US20090209791A1

    公开(公告)日:2009-08-20

    申请号:US12389110

    申请日:2009-02-19

    IPC分类号: C07C17/00 C07C17/25

    摘要: A process for the production of fluorinated olefins, preferably fluorinated propenes, by contacting a feed stream containing a fluorinated olefin and hydrogen with a first amount of catalyst to produce the hydrofluorocarbon, wherein a first exit stream contains unreacted fluorinated olefin and hydrogen; contacting the first exit stream with a second amount of catalyst to produce a hydrofluorocarbon, wherein the second amount of catalyst is preferably greater than the first amount of catalyst; and contacting the hydrofluorocarbon with a catalyst for dehydrohalogenation to produce a product stream of fluorinated olefin.

    摘要翻译: 通过使包含氟化烯烃和氢气的进料流与第一量催化剂接触以产生氢氟烃来生产氟化烯烃,优选氟化丙烯的方法,其中第一出口流含有未反应的氟化烯烃和氢; 使第一出口流与第二量的催化剂接触以产生氢氟烃,其中第二量的催化剂优选大于第一量的催化剂; 并将氢氟烃与用于脱卤化氢的催化剂接触以产生氟化烯烃的产物流。